Halfordia papuana Lauterb.
It is a small to medium-sized tree up to 30 m tall. The bole is branchless for up to 12 m, up to 50 cm in diameter, often irregular and fluted, sometimes with small buttresses.
This tree is found scattered in submontane and montane rain forest between 1,200 and 2,700m, mostly confined to the Bulolo/Wau region in Morobe Province.
It is a native of Papua New Guinea and occurs in mixed formation in areas of heavy rains.
Wood diffuse porous. Occasionally vessel clusters common. Tyloses common. Vessels per mm2 5 to 20. Vessel-ray pits reticulate and/or foraminate. Simple perforation plates. Intervessel pits medium, 7 to 10 micras. Axial parenchyma absent or extremely rare, non visible with magnifying glass (8x). Paratracheal axial parenchyma scanty and/or vasicentric. 3 to 4 cells per parenchyma strand. 5 to 8 cells per parenchyma strand. 4 to 10 rays per mm (medium). Occasionally rays exclusively uniseriate. Silica bodies in the ray cells. Prismatic crystals in radial alignment in procumbent ray cells (chambered cells). Body ray cells procumbent with one row of upright and/or square marginal Septate fibers present. Fibers very thin walled. Fibers with simple to minutely bordered pits.
The heartwood and sapwood are pale saffron to yellowish-brown.
The grain is reported to be straight or interlocked.
This wood has a fine texture.
This species is very durable when exposed to the weather or in contact with the ground.
The heartwood of this species is very durable, it does not require a preservative treatment.
Boring is reported to be easy.
The wood nails well, but pre-boring is necessary.
Some difficulties may appear due to its oily nature
It gives a good finish, but interlocked grain tends to pick up.
Polishing of this species is reportedly easy.
EXTERIOR GENERAL, bridges, poles, stakes posts, HOUSING GENERAL, flooring, frames, SPORTS, golf polo clubs, TOOLS, tool handles, NAVAL CONSTRUCTION, boat deck, port pillar, port storage